import type { OHLCVBar } from '../types';

/** OBV 본선 계산에 필요한 최소 거래량 품질 (some>0 만으로는 STOMP volume=0 history 통과) */
export function barsMeetObvVolumeRequirement(bars: OHLCVBar[]): boolean {
  if (bars.length < 2) return false;
  const withVol = bars.filter(b => (Number(b.volume) || 0) > 0).length;
  const volSum = bars.reduce((s, b) => s + (Number(b.volume) || 0), 0);
  const minBarsWithVol = Math.max(20, Math.floor(bars.length * 0.5));
  return volSum > 0 && withVol >= minBarsWithVol;
}